GB1435868A - Fluorophosphate glass - Google Patents

Fluorophosphate glass

Info

Publication number
GB1435868A
GB1435868A GB3689574A GB3689574A GB1435868A GB 1435868 A GB1435868 A GB 1435868A GB 3689574 A GB3689574 A GB 3689574A GB 3689574 A GB3689574 A GB 3689574A GB 1435868 A GB1435868 A GB 1435868A
Authority
GB
United Kingdom
Prior art keywords
exceeding
total
fluorophosphate glass
aug
batch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB3689574A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ernst Leitz Wetzlar GmbH
Original Assignee
Ernst Leitz Wetzlar GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ernst Leitz Wetzlar GmbH filed Critical Ernst Leitz Wetzlar GmbH
Publication of GB1435868A publication Critical patent/GB1435868A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/12—Silica-free oxide glass compositions
    • C03C3/23—Silica-free oxide glass compositions containing halogen and at least one oxide, e.g. oxide of boron
    • C03C3/247—Silica-free oxide glass compositions containing halogen and at least one oxide, e.g. oxide of boron containing fluorine and phosphorus
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S501/00—Compositions: ceramic
    • Y10S501/90—Optical glass, e.g. silent on refractive index and/or ABBE number
    • Y10S501/903—Optical glass, e.g. silent on refractive index and/or ABBE number having refractive index less than 1.8 and ABBE number less than 70

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)
GB3689574A 1973-08-23 1974-08-22 Fluorophosphate glass Expired GB1435868A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732342484 DE2342484B2 (de) 1973-08-23 1973-08-23 Verfahren zum herstellen eines fluorophosphatglases mit einer brechzahl n tief e groesser als 1,57, einem abbe-wert ny tief e kleiner als 70 und einer relativ hohen positiven anomalen teildispersion

Publications (1)

Publication Number Publication Date
GB1435868A true GB1435868A (en) 1976-05-19

Family

ID=5890452

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3689574A Expired GB1435868A (en) 1973-08-23 1974-08-22 Fluorophosphate glass

Country Status (5)

Country Link
US (1) US3954484A (ja)
JP (1) JPS5328169B2 (ja)
DE (1) DE2342484B2 (ja)
FR (1) FR2241505B3 (ja)
GB (1) GB1435868A (ja)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2514017C2 (de) * 1975-03-29 1984-03-29 Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar Verfahren zur Herstellung eines optischen Fluorphosphatglases mit hoher positiver anomaler Teildispersion, relativ hoher Brechzahl und hoher Abbezahl
JPS52132012A (en) * 1976-04-30 1977-11-05 Nippon Chemical Ind Optical glass
JPS54129016A (en) * 1978-03-30 1979-10-06 Fuji Photo Film Co Ltd Fluorophosphate optical glass
JPS55151601A (en) * 1979-05-15 1980-11-26 Minolta Camera Co Ltd Pentagonal prism for camera finder
DE3037004A1 (de) * 1979-10-05 1981-04-16 Corning Glass Works, Corning, N.Y. Bei niedrigen temperaturen formbare glaeser
US4285730A (en) * 1979-10-05 1981-08-25 Corning Glass Works Moldable glasses
JPS604145B2 (ja) * 1981-01-20 1985-02-01 株式会社ニコン 弗化物燐酸塩光学ガラス
FR2528032B1 (fr) * 1982-06-04 1986-04-11 Corning Glass Works Compositions de verres moulables de type fluorophosphate contenant de l'oxyde de niobium
DE3634675A1 (de) * 1985-10-19 1987-04-23 Leitz Ernst Gmbh Optisches phosphatglas mit anomaler positiver teildispersion und verfahren zu seiner herstellung
DE3634674A1 (de) * 1985-10-19 1987-04-23 Leitz Ernst Gmbh Optisches fluorphosphatglas mit anomaler positiver teildispersion und verfahren zu seiner herstellung
DE3634676A1 (de) * 1985-10-19 1987-04-23 Leitz Ernst Gmbh Optische fluorphosphatglaeser mit positiver anomaler teildispersion und verbesserten physiko-chemischen eigenschaften sowie verfahren zu ihrer herstellung
US4849002A (en) * 1987-10-27 1989-07-18 Kigre, Inc. Ion-exchangeable germanate method for strengthened germanate glass articles
JP3196952B2 (ja) * 1993-06-08 2001-08-06 キヤノン株式会社 光学ガラス素子およびその製造方法
US6495481B1 (en) * 2001-05-21 2002-12-17 Nano Technologies Glasses for laser and fiber amplifier applications and method for making thereof
JP6825939B2 (ja) * 2017-03-02 2021-02-03 Hoya株式会社 光学ガラスおよび光学素子
TWI687385B (zh) * 2017-03-31 2020-03-11 日商Ｈｏｙａ股份有限公司 光學玻璃及光學元件
JP6606568B2 (ja) * 2017-03-31 2019-11-13 Ｈｏｙａ株式会社 光学ガラスおよび光学素子
KR102022976B1 (ko) * 2017-05-19 2019-09-20 한국광기술원 형광 장수명 특성을 갖는 능동소자용 불소인산염계 유리
JP6985173B2 (ja) * 2018-02-14 2021-12-22 光ガラス株式会社 光学ガラス、光学素子、光学系、カメラ用交換レンズ及び光学装置
CN110467346B (zh) * 2018-05-10 2021-11-19 Hoya株式会社 光学玻璃和光学元件
CN111138082B (zh) * 2020-01-13 2022-06-17 苏州众为光电有限公司 一种高稳定性玻璃光纤及其制备方法
JP7090678B2 (ja) * 2020-10-28 2022-06-24 Hoya株式会社 光学ガラスおよび光学素子

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2430539A (en) * 1946-01-29 1947-11-11 Eastman Kodak Co Titanium fluophosphate glass
US2901363A (en) * 1948-07-27 1959-08-25 American Optical Corp Glass compositions and method of making same
US2996391A (en) * 1953-01-21 1961-08-15 Leitz Ernst Gmbh Optical glass
DE1059157B (de) * 1958-02-05 1959-06-11 Jenaer Glaswerk Schott & Gen Optisches Glas mit hohem Fluor- und Titangehalt
US2919201A (en) * 1958-07-22 1959-12-29 Director Of The Agency Of Ind Optical glass
DE1496566B2 (de) * 1965-12-31 1971-06-16 Ernst Leitz Gmbh, 6330 Wetzlar Verfahren zum Herstellen eines Flouoro phosphatglases mit relativ hoher Brechzahl, kleiner Dispersion und erheblicher positiver anomaler Teildispersion
JPS5018006B1 (ja) * 1966-06-25 1975-06-25
GB1200527A (en) * 1967-10-28 1970-07-29 Leitz Ernst Gmbh Glass having anomalous fractional dispersion
FR2011703A6 (ja) * 1968-06-27 1970-03-06 Leitz Ernst Gmbh
JPS508446B1 (ja) * 1969-05-24 1975-04-04
DE2231238C3 (de) * 1972-06-26 1975-02-06 Ernst Leitz Gmbh, 6330 Wetzlar In relativ großen Mengen erschmelzbares Fluorophosphatglas

Also Published As

Publication number Publication date
US3954484A (en) 1976-05-04
FR2241505B3 (ja) 1977-06-17
DE2342484B2 (de) 1977-12-29
JPS5328169B2 (ja) 1978-08-12
JPS5050416A (ja) 1975-05-06
FR2241505A1 (ja) 1975-03-21
DE2342484A1 (de) 1975-03-20

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee